code: def quantile(
      a: Union[(None, mx.ndarray.NDArray)],
      q: Union[(None, float)],
      /,
      *,
      axis: Optional[Union[(int, Sequence[int])]] = None,
      interpolation: str = "linear",
      keepdims: bool = False,
      out: Optional[Union[(None, mx.ndarray.NDArray)]] = None,
  ) -> Union[(None, mx.ndarray.NDArray)]:
      raise IvyNotImplementedException()
  
file_path: ivy/ivy/functional/backends/mxnet/experimental/statistical.py
imports: from typing import Union, Optional, Tuple, Sequence
  import mxnet
  from ivy.utils.exceptions import IvyNotImplementedException
label_desc: Use image node_id 4 for calling a global function with example usage: quantile() without return types